Mobile User Interface Based on the Rear Touch Panel on Mobile Device

Recently, mobile devices such as smart phones are widely used by the public. Thus, a method by which a user may conveniently manipulate various contents embedded in such a mobile devices is in demand. The authors propose mobile user interface based on rear touch panel on mobile device. In this paper, touch pad manufacture in the form of fixed or removable on the rear-facing of mobile device, there is provided a method of recognizing a control command(e.g., click, double click, drag and drop and moving) based on motion of a user's finger.